(The following excerpts are from a draft in a project I'm
composing based on the history of the Eastern Roman Empire's area of Bythnia and their capital city of Constantinoplewith the region of Aorsi-Legae during the times right before the Hun Invasions titled "The Love For Our
Mother,®" by Geo. E. Burks, 2009.)

Nicene's Sign Of Truth.

Purity by Geo. E. Burks

Tis we alone in the light thy stay guards.

And all other's marks for wit and shed, be undued.

Lest therein thou sheltered's mother heart,

Dwells a trusting fair, blest by thy entitled dues.

That mastered all fears within all known arts,

With stays measured as you be tis your only true.

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Modern World In 200AD by Thomas
A. Lessman

List of Roman army unit types

Accensus - either a public officer who attended on several of the Roman magistrates; or a kind of supernumerary soldier who served to fill the places of those who were killed or disabled by their wounds in the Roman
Republic

Adscripticius - a supernumerary soldier of the Roman Republic who served to fill the places of those who were killed or disabled by their
wounds.

auxilia - troops in the Roman army of the late Republican and Imperial periods who originally stayed in their
home province but were formalised and later took on the role of providing specialist support to the legions. An example would
be the Syrian archer.

Balearic slingers - Expert slingers from the Balearic Islands off the Mediterranean coast of modern Spain.

bucelarii - a unit of soldiers in the late Roman and Byzantine empire, that were not supported by the state
but rather by some individual such as a general or governor.

cataphractarii - heavily armed and armoured cavalrymen, adopted from the Parthians and first deployed by the Romans
in the 2nd Century AD during the reign of emperor Hadrian.

Imaginifer - A standard-bearer carrying the imago - the standard which bore a likeness of the emperor, and, at later
dates, his family.

Immunes - those soldiers of the military of ancient Rome who were "immune" from combat duty and fatigues
through having a more specialist role within the army

Legatus - general in the Roman army; literally the "deputy" of the emperor, who was the titular commander-in-chief

Legionary - the heavy infantry that was the basic military unit of the ancient Roman army in the period of the
late Roman Republic and the Roman Empire

Medicus - physician or combat medic. Specializations included surgery (medicus vulnerarius), ophthalmology
(medicus ocularius) and even veterinary (medicus veterinarius). At least some held rank equivalent to a centurion.

Principales - a group of ranks, including aquilifer, signifer, optio and tesserarius. Similar to modern NCOs.

Protectores Augusti Nostri (aka Protectores Divini Lateris) honorific title for senior officers singled out for their loyalty to
the Emperor and soldierly qualities. Constitute an Order of Honour rather than a military unit. First appears in mid-Third
Century AD

Tribunus militum laticlavius - military tribune of senatorial rank. Second in command of a legion. Appointments to this rank seem
to have ceased during the sole reign of Gallienus as part of a policy of excluding senators from military commands.